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Design of left-handed microstrip based on DGS and double layers SRRs structures

## Design of left-handed microstrip based on DGS and double layers SRRs structures

Wu Ming-Feng, Meng Fan-Yi, Wu Qun, Wu Jian
• #### Abstract

A double band left-handed (LH) microstrip is designed based on defected ground structure (DGS) and Split Ring Resonators (SRRs) with broad bandwidth and low loss while the size of the unit cell is small and the synthesis is simple. Its effective permittivity and permeability are both extracted from the transmission and reflection data of the left-Handed microstrip, then the wave number k is calculated, and the results demonstrate that the LH microstrip shows backward wave (BW) properties in the broad frequency range of interest.

• Funds:

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•  Citation:
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• Abstract views:  3639
• Cited By: 0
##### Publishing process
• Received Date:  21 February 2006
• Accepted Date:  13 April 2006
• Published Online:  20 November 2006

## Design of left-handed microstrip based on DGS and double layers SRRs structures

• 1. (1)哈尔滨工业大学电子与信息技术研究院，哈尔滨 150001; (2)哈尔滨工业大学电子与信息技术研究院，哈尔滨 150001；电波环境特性及模化技术国家重点实验室，北京 102206

Abstract: A double band left-handed (LH) microstrip is designed based on defected ground structure (DGS) and Split Ring Resonators (SRRs) with broad bandwidth and low loss while the size of the unit cell is small and the synthesis is simple. Its effective permittivity and permeability are both extracted from the transmission and reflection data of the left-Handed microstrip, then the wave number k is calculated, and the results demonstrate that the LH microstrip shows backward wave (BW) properties in the broad frequency range of interest.

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